Fixing learning objects topics

app/services/topics_importer.rb

@@ -9,25 +9,30 @@ class TopicsImporter
 
   def import
 
+    learning_objects = []
+
     @items.each do |learning_object|
 
       lo_topics = parse_topics ( learning_object.get_metadata_values_of "dc.subject.category" )
 
-      lo_topics.each_with_index do |topic_name, i|
+      lo_topics.each do |topic_name|
+        topic = @@topics[topic_name]
 
         if !topic_exists? topic_name
           topic = Topic.where(name: topic_name).new
-          create_relations(topic_name)
         end
 
-        topic.learning_objects << learning_object
+        create_relations(topic_name)
+        learning_object.topics << topic
         @@topics[topic_name] = topic
 
       end
+      learning_objects << learning_object
       separate_relations()
     end
 
-    Topic.import @@topics.values, recursive: true
+    Topic.import @@topics.values
+    LearningObject.import learning_objects
     import_topics_relations()
 
   end
@@ -51,7 +56,7 @@ class TopicsImporter
       unless  relation.nil? || @@topics_relations[i - 1].nil?
         parent_id =  Topic.find_by_name(@@topics_relations[i - 1]).id
         child_id = Topic.find_by_name(relation).id
-        unless TopicRelationship.exists?(parent_id: parent_id, child_id: child_id) || i == 0
+        unless TopicRelationship.exists?(parent_id: parent_id, child_id: child_id)
           relations.push TopicRelationship.where(parent_id: parent_id, child_id: child_id ).new
         end
       end